☀ Waterproof - The canopy shade sail is made of high-density polyester (PES) 160 g/m² water resistant fabric with a PU coating that is tear-resistant and waterproof.The product is made by stitching, so have seams ☀ Occasions - The shade sails can be installed anywhere from patio, backyard, swimming pools, garden, pergolas, parking areas, outdoor areas. Blocks 95% of UV rays, offering cooler and safer spaces. ☀ Easy to Set Up - Includes free 4 x 1.5 m long ropes, resistant and very useful for installing the sail covers. The stitching is extra strong and each corner has a stainless steel D-ring for easy installation of sun sails. ☀ Installation - The waterproof shade sail must be installed slightly tilted, 20-40 degree angle and correctly tensioned, so that water does not accumulate. The edges of the canopy are curved to improve the pulling force, so that the middle fabric does not fall off. ☀ Attention - Not used in bad weather such as thunderstorms, heavy rain, storms and snow days. Machine Washing is not recommend and will damage the waterproof coating.